Dextran Sulfate Sodium Salt (DSS) MW: 36000~50000 -60316ES

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YeasenSKU: 60316ES25

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Dextran sulfate sodium salt (DSS) is a polyanionic derivative of dextran produced by the esterification of Dextran with chlorosulphonic acid. The sulfur content is approximately 17% which corresponds to an average of 1.9 sulfate groups per glucosyl residue of the dextran molecule. DSS has several characteristics: 1) polyanionic complex, soluble in water, forming a colorless aqueous solution; 2) high purity and good stability; 3) can be degraded naturally. Inflammatory bowel disease (IBD) is a chronic, relapsing gastrointestinal infection that increases the risk of intestinal tumors, mainly including UC and Crohn disease (CD). In 1985, after the hamster ulcerative colitis model was first prepared by using DSS, a large number of studies have proved that the DSS colitis model is similar to human ulcerative colitis. The histological features, clinical manifestations, disease site, and cytokine proliferation of the DSS colitis model are very similar to human ulcerative colitis (UC). The modeling conditions and operation methods of this model are simple, the expenditure is very cheap, the repeatability is good, and it is easy to master and popularize. The DSS concentration and dosing time can be adjusted according to the experimental purpose to establish acute, chronic, and acute-chronic alternation models.


  • The protocols are easy to be implemented.
  • The DSS UC model closely resembles human UC symptoms with high repeatability.
  • Various characteristic symptoms can be induced by controlling the administrated DSS dose, which was unique for the DSS UC model.
  • The DSS UC model can be generated with a variety of widely used model animals, such as mice, rats, zebrafish, pigs, fruit flies, etc.
  • The IBD-induced colitis-associated cancer (CAC) model can be created with the combined use of azoxymethane (AOM).


  • For modeling colitis


English synonym Dextran Sulfate Sodium Salt, DSS; Dextran Sodium Sulfate
CAS NO. 9011-18-1
Formula (C6H7Na3O14S3)n
Appearance White or off-white powder
Solubility Soluble in water, slightly soluble in ethanol.


Components No. Name 60316ES25 60316ES60 60316ES76 60316ES80
60316 Dextran Sulfate Sodium Salt (DSS) MW:36000~50000 25 g 100 g 500 g 1 kg

Shipping and Storage

The product is shipped and stored at room temperature, valid for 2 years.



Figure 1 H&E staining results of DSS acute colitis sections[1]

Animal: BALB/c mice, female, 6-8 weeks, 25 g; Method: 3.5% DSS for 7 days

Figure 2 H&E staining results of colitis-associated cancer sections[2]

Animal: BALB/c mice, male,7 weeks old;; DSS concentration: 2.5%; AOM concentration:10 mg/kg; Experiment period:10 weeks

*Links to this resource:

[1]Gao X, Fan W, Tan L, et al. Soy isoflavones ameliorate experimental colitis by targeting ERα/NLRP3 inflammasome pathways[J]. The Journal of Nutritional Biochemistry, 2020, 83.
[2]Jia-Rong Huang, et al. Piperlongumine Alleviates Mouse Colitis and Colitis-Associated Colorectal Cancer[J]. Frontiers in Pharmacology. 2020.586885


Q1: What are the key factors that affect the success of DSS modeling?

A1: DSS concentration, molecular weight, administration time, animal species and rearing environment.

Q2: What is the daily volume of drinking water for rats and mice (including acute and chronic modeling)?

A2: 7-10 mL per day for mice (20~25 g) and 10~11 mL per day for rats (100 g).

Q3: Both DSS and TNBS are models of colitis. What is the difference between the two?

A3: DSS induces ulcerative colitis and TNBS induces Crohn's colitis.

Q4: What is the difference between GAPDH and actin for primer selection?

A4: The difference is not big. GAPDH is used more. It is recommended to use GAPDH as an internal reference for mice.

Q5: Mice have a high lethality rate

A5: Reason: DSS concentration is too high. Recommendation: Appropriately reduce the concentration of DSS administered

Q6: Mice have no symptoms of enteritis or low symptoms of enteritis

A6: Reason: DSS concentration is too low, suggestion: appropriately increase DSS administration concentration; or reduce cycle interval (10-14 days)

Q7: In the same group of mice, the symptoms of enteritis vary greatly

A7: Reasons: 1. The bottle cap was blocked; 2. Some mice did not drink/a small amount of DSS. Suggestions: 1. Check the mouse drinking bottle every day; 2. Each mouse is isolated and cultured separately, and the water intake of the mice is checked every day or the mice are pre-raised for 1-2 weeks after arrival, and the mice with abnormal water intake are excluded.

Q8: Which part of the colon is more reliable for HE staining?

A8: The mouse anus goes up 1-2 cm.

Q9: DSS treatment of NCM460, the recommended concentration for cell modeling

A9: It is recommended to incubate with 3% DSS for 24h.

Citations & References:


[1] Li Zhao, Fei Wang,Zhengwei Cai,et al.Improving drug utilization platform with injectable mucoadhesive hydrogel for treating ulcerative colitis[J].chemical engineering journal.424(2021)130464.IF=16.744

[2] Lingjun Tong, Haining Hao, Zhe Zhang,et al.Milk-derived extracellular vesicles alleviate ulcerative colitis by regulating the gut immunity and reshaping the gut microbiota[J].Theranostics.2021; 11(17): 8570-8586 IF=11.556

[3] Li, Y., Dong, J., Xiao, H., Zhang, S., Wang, B., Cui, M., & Fan, S. Gut commensal derived-valeric acid protects against radiation injuries. Gut Microbes,.2020 .1–18.IF=10.245

[4] Jingjing Gan, Yuxiao Liu, Lingyu Sun,et al.Orally administrated nucleotide-delivery particles from microfluidics for inflammatory bowel disease treatment[J].Applied Materials Today.2021 Dec;25:101231 IF=10.041

[5] JialiDong,YuanLi,HuiwenXiao,et al.Oral microbiota affects the efficacy and prognosis of radiotherapy for colorectal cancer in mouse models[J].Cell reports.2021, 109886.IF=9.423

[6] Hao H,  Zhang X,  Tong L,  Liu Q,et al.Lactobacillus plantarumEffect of Extracellular Vesicles Derived From  Q7 on Gut Microbiota and Ulcerative Colitis in Mice[J].Frontiers in Immunology.2021.777147 .IF=7.561

[7] Yaohua Fan,Yanqun Fan,Kunfeng Liu,et al.Edible Bird’s Nest Ameliorates Dextran Sulfate Sodium-Induced Ulcerative Colitis in C57BL/6J Mice by Restoring the Th17/Treg Cell Balance[J].Frontiers in Pharmacology.2021.632602.IF=7.561

[8] Jia-Rong Huang, Sheng-Te Wang, Meng-Ning Wei,et al.Piperlongumine Alleviates Mouse Colitis and Colitis-Associated Colorectal Cancer[J].Frontiers in Pharmacology.2020.586885. IF=7.561

[9] Mengmeng Xu, Ying Kong, Nannan Chen,et al.Identification of Immune-Related Gene Signature and Prediction of CeRNA Network in Active Ulcerative Colitis[J].Frontiers in Immunology.2022; 13: 855645. IF=7.561

[10] Gao X, Fan W, Tan L, et al. Soy isoflavones ameliorate experimental colitis by targeting ERα/NLRP3 inflammasome pathways[J]. The Journal of Nutritional Biochemistry, 2020, 83.IF=6.048



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